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<script>
  const compose = (...fns) => fns.reverse().reduce((a, b) => {
    return (...args) => {
    
      console.log(a)
      return a(b(...args))
    }
  })

  const add5 = x => x + 5
  const sub2 = x => x - 2
  const multiply = (x) => x * 10
  const multiply10AndAdd5AndSub2 = compose(
    add5,
    sub2,
    multiply
  )
  console.log(multiply10AndAdd5AndSub2(10))
  // multiply10AndAdd5AndSub2(10)
</script>
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